Original Patentschrift - Karl Ritter von Rittershain in Pilsen / Plzen , 1890 , Apparat für Transportschnecke !!!

Published by Patentinhaber: Karl Ritter von Rittershain inPilsen Patent: Vorrichtung zur Verminderung der Drehbewegung desFördergutese an Transport- und PreßschneckenPatentiert am: 20.07.1890W47
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